Mix in eggs and vanilla when butter and sugar is warm. Sift in the cocoa, flour and baking powder and stir to combine. Add in chocolate and mix. Transfer mixture into the baking tray and move it around so it spreads evenly around the pan.

Bake for 25-30 minutes or until skewer comes out with moist crumbs.

Cut into 16 squares when warm and eat or leave to cool before storing in an air tight container.

*Or brown sugar - but I didn't have any.

**I used Lindt's coconut intense this time. You may also substitute with roasted nuts.